*SUPPORT*
IN: kiki dax OUT: PINK PINK PINK PINK
IN: wif dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: zup OUT: GREEN
IN: kiki wif dax OUT: PINK YELLOW YELLOW YELLOW YELLOW
IN: tufa zup dax OUT: BLUE GREEN GREEN GREEN GREEN
IN: tufa kiki blicket wif blicket tufa OUT: BLUE BLUE YELLOW PINK
IN: kiki blicket zup tufa OUT: GREEN BLUE PINK
IN: tufa dax OUT: BLUE BLUE BLUE BLUE
IN: kiki lug zup wif dax OUT: GREEN YELLOW YELLOW YELLOW YELLOW PINK PINK
IN: tufa OUT: BLUE
IN: tufa lug zup dax OUT: GREEN GREEN GREEN GREEN BLUE BLUE
IN: tufa wif OUT: BLUE YELLOW
IN: zup dax OUT: GREEN GREEN GREEN GREEN
IN: zup lug kiki dax OUT: PINK PINK PINK PINK GREEN GREEN

*QUERY*
IN: wif blicket zup OUT: GREEN YELLOW
IN: kiki zup OUT: PINK GREEN
IN: wif tufa dax OUT: YELLOW BLUE BLUE BLUE BLUE
IN: kiki OUT: PINK
IN: tufa blicket zup blicket zup OUT: GREEN GREEN BLUE
IN: kiki blicket zup blicket zup dax OUT: GREEN GREEN GREEN GREEN GREEN PINK
IN: zup blicket kiki OUT: PINK GREEN
IN: tufa zup blicket kiki OUT: BLUE PINK GREEN
IN: tufa blicket wif dax OUT: YELLOW YELLOW YELLOW YELLOW BLUE
IN: kiki blicket kiki blicket tufa OUT: BLUE PINK PINK

*GRAMMAR*
tufa -> BLUE 
 kiki -> PINK 
 zup -> GREEN 
 wif -> YELLOW 
 x1 lug x2 -> [x2] [x1] [x1] 
 u1 blicket x1 -> [x1] [u1] 
 u1 dax -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 